Mathematics problem: Harmonic triangle.
The National Strategies Last update: 2011
Mathematics problem: More number pyramids.
The National Strategies Last update: 2011
Mathematics problem: Route to infinity.
The National Strategies Last update: 2011
Mathematics problem: Triangles in circles.
The National Strategies Last update: 2011
Mathematics problem: Tilted squares.
The National Strategies Last update: 2011
Mathematics problem: Square it.
The National Strategies Last update: 2011
Mathematics problem: Odds and evens.
The National Strategies Last update: 2011
Mathematics problem: Consecutive sums.
The National Strategies Last update: 2011
Mathematics problem: Seven squares.
The National Strategies Last update: 2011
Mathematics problem: All in a Jumble.
The National Strategies Last update: 2011
